Malicious PDF — malware analysis report

Static analysis result for SHA-256 572a54871af11ebd…

MALICIOUS

PDF

43.2 KB Created: 2021-05-17 17:45:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 2e289b4d6f9d95185046c242cb4893df SHA-1: c3887cd44ea4b0f490821a4ace4a3c700a23faec SHA-256: 572a54871af11ebdec6d820b1e3b56ec9e7c77837bece736150072a63a185b62
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors and infrastructure, disguised as offers for free game items. The primary lure is a link to 'free robux' which redirects to `https://netcdn.xyz/app/431946152/free-robux-real-working-game-hack`. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/431946152/free-robux-real-working-game-hack In PDF document text
    • https://www.manmed.info:443/images/rbxoffers-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-coin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-mojang-account-with-minecraft_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/minecraft-bedrock-client_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-link-today-twitter_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-reddit_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-cards_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-login-hack_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-link-2021-app_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-minecraft-mods-for-pc_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-minecraft-realms-to-join_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000475a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x475A 26584 bytes
SHA-256: d14560956634455d463d6b439e488dd391bc85ba8b2cb01e2602b9ddf3d8f3f8
font_01_sfnt_off0000841f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x841F 19092 bytes
SHA-256: e9cbc94ede6f039b2d64cc554d217f5f9744837c58519873c9f71b22e801d63e

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